Home / 5,405.08-8,108.45-2,285.09

Finding the Fourth Proportional to 5,405.08, 8,108.45 and 2,285.09

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Solution

The fourth proportional to 5,405.08, 8,108.45 and 2,285.09 is: 3,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.08 : 8,108.45 = 2,285.09 : x
  2. Step 2: Convert to fraction form
    5,405.08/8,108.45 = 2,285.09/x
  3. Step 3: Cross multiply
    5,405.08x = 8,108.45 × 2,285.09
  4. Step 4: Simplify right side
    5,405.08x = 18,528,563.99
  5. Step 5: Solve for x
    x = 18,528,563.99/5,405.08
  6. Step 6: Final answer
    x = 3,427.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.